Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

91Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,676
MIT
Used by 78
92Health
Framework Composer

PHPUnit

The de facto standard, programmer-oriented unit testing framework for PHP.

20,057
BSD 3
Used by 34
91Health
Framework npm

Fastify

A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture

37,205
MIT
Used by 25
98Health
Framework Composer

Laravel

The expressive, elegant PHP framework for building modern web applications

34,931
MIT
Used by 21
92Health
Framework Go

urfave/cli

A declarative, dependency-free Go package for building fast, friendly command-line tools.

24,260
MIT
Used by 17
87Health
Framework Composer

Symfony Console

The PHP framework component for building beautiful, testable command-line applications

9,811
MIT
Used by 8
60Health
Framework Composer

nwidart/laravel-modules

Split large Laravel applications into self-contained, independently generated modules — each with its own routes, controllers, views, and migrations.

6,214
MIT
Used by 4
88Health
Framework Composer

Symfony HttpKernel

A structured, event-driven process for converting an HTTP Request into a Response in PHP.

8,103
MIT
Used by 3
56Health
Framework Composer

FOSRestBundle

Symfony bundle that turns controllers into format-agnostic REST endpoints with content negotiation and view layer

2,795
MIT
Used by 3
87Health
Framework Composer

Symfony SecurityBundle

Symfony's full-stack authentication and authorization layer, configuring firewalls, authenticators, and access rules from YAML

2,489
MIT
Used by 3
71Health
Framework npm

json-render

The Generative UI framework: AI builds real, reliable interfaces from prompts, constrained to components you define.

18,342
Apache 2.0
Used by 2
53Health
Framework PyPI

Flask-RESTX

Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box

2,231
BSD 3
Used by 2
83Health
Framework npm

InversifyJS

A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.

290
MIT
Used by 2
95Health
Framework Composer

Yii 2

Fast, secure, professional PHP framework with ActiveRecord ORM and code generation.

14,290
BSD 3
Used by 1
98Health
Framework Composer

CakePHP

The rapid-development MVC framework for PHP, with a powerful ORM and convention-over-configuration.

8,791
MIT
Used by 1
96Health
Framework Composer

api-platform/core

PHP framework for building hypermedia REST and GraphQL APIs from your models

2,575
MIT
Used by 1
81Health
Framework Composer

ZF1-Future

Community-maintained fork of Zend Framework 1 for modern PHP 8

491
BSD 3
Used by 1
52Health
Framework Composer

Utopia CLI

A dependency-free PHP micro-framework for building command-line tools with task routing, DI, and lifecycle hooks.

42
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers